Caballero, the Spanish word for "knight" and a common surname, can refer to:
Anna Caballero, member of the California State AssemblyBernardino Caballero, the President of Paraguay from 1880 until 1886 and founder of the Colorado PartyCelestino Caballero, Panamanian boxerElizabeth Caballero, Cuban-American sopranoEnrique Caballero Peraza, Mexican medical doctor, psychologist and politicianFélix Caballero, Dominican priestFernán Caballero, pseudonym adopted from the name of a village in the province of Ciudad Real by the Spanish novelist Cecilia Francisca Josefa Arrom de AyalaFlavio Caballero, Colombian actorFrancisco Largo Caballero, Spanish politician and trade unionistGabriel Caballero, Mexican footballerGuy Caballero, a character in the Canadian sketch comedy series SCTV portrayed by Joe FlahertyJuan Caballero y Ocio, priestJorge Caballero, Mexican footballerJorge López Caballero, Colombian footballerLuis Caballero (footballer), Paraguayan footballerMiguel Caballero Ortega, Spanish ski mountaineer and long-distance runnerRaymond Caballero, the mayor of El Paso, Texas from 2001 until 2003Raimundo Diosdado Caballero, Catholic miscellaneous writerRoxann Caballero (born 1958), American actress and director, known as Roxann Dawson, R. Biggs, R. Biggs-DawsonSamuel Caballero, Honduran football defenderSteve Caballero, professional skateboarderWilfredo Caballero, Argentinian soccer player who currently plays for Manchester City FC